/* 华栋字能 · 资讯专栏：内容区配图 + 灯箱放大（新增，2026-11-06）
   用法：文章记录的 content 里放 <figure class="art-fig">…</figure>，
   并在 article.html 的 <head> 里引入本文件与 fig-lightbox.js。
   仅新增样式，不改动站点既有规则。 */

/* —— 正文内配图 —— */
.art-body .art-fig {
  margin: 20px 0 22px;
}
.art-body .art-fig-link {
  display: block;
  border-radius: 10px;
  overflow: hidden;
  cursor: zoom-in;
  background: #fbf8f1;
  border: 1px solid var(--line, #e4e0d6);
}
.art-body .art-fig img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
  border-radius: 0;
  transition: transform .28s ease;
}
@media (hover: hover) {
  .art-body .art-fig-link:hover img { transform: scale(1.012); }
}
.art-body .art-fig figcaption {
  margin-top: 9px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-3, #6e6a62);
  text-align: center;
}
.art-body .art-fig-link:focus-visible {
  outline: 3px solid #18a05b;
  outline-offset: 2px;
}

/* —— 灯箱遮罩 —— */
.flb-mask {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 26px;
  background: rgba(28, 26, 22, .88);
  opacity: 0;
  transition: opacity .2s ease;
}
.flb-mask.on {
  display: flex;
  opacity: 1;
}
.flb-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  max-width: min(1200px, 96vw);
  max-height: 92vh;
}
.flb-img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 84vh;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(0, 0, 0, .45);
}
.flb-cap {
  margin: 0;
  max-width: 900px;
  color: #f2efe7;
  font-size: 13px;
  line-height: 1.6;
  text-align: center;
}
.flb-x {
  position: absolute;
  top: -14px;
  right: -14px;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #fff;
  color: #201e1a;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .35);
}
.flb-x:focus-visible {
  outline: 3px solid #18a05b;
  outline-offset: 2px;
}
@media (max-width: 620px) {
  .flb-mask { padding: 12px; }
  .flb-inner { max-width: 100%; }
  .flb-x { top: -8px; right: -8px; width: 36px; height: 36px; }
  .flb-img { max-height: 78vh; }
}
@media (prefers-reduced-motion: reduce) {
  .flb-mask { transition: none; }
  .art-body .art-fig img { transition: none; }
}